package cn.edu.tsinghua.smxq.mobilecity.servlet;


import java.io.IOException;
import java.io.PrintWriter; 
import javax.servlet.*;   
import javax.servlet.http.*;   
  
public class HelloWorld extends HttpServlet {   
  
    public void doGet(HttpServletRequest request, HttpServletResponse response)   
    throws IOException, ServletException   
     {   
         response.setContentType("text/html");   
         PrintWriter out = response.getWriter();   
         out.println("<html>");
         out.println("<head>");
         out.println("<title>Hello World!</title>");   
         out.println("</head>");   
         out.println("<body>");   
         out.println("<h1>Hello World!</h1>");   
         out.println("</body>");   
         out.println("</html>");   
     }   
}   